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Scanning Checklist
✦
Make sure the scanning window is clean.
✦
Aim the scanner at a slight angle at the bar code.
✦
Make sure the distance between the bar code and
scanner is four to eight inches. Move the scanner in
and out while the beam is on.
If the scanner still fails to read the bar code, please make a
note and call Service.
Display Tests
The DISPLAY TESTS menu provides the following selections:
✦
Backlight
✦
Pixel Test
✦
CGROM Characters (for Service use only)
The Backlight test turns the backlight on and off to make sure
it is functioning properly. If the backlight does not turn on then
off, please make a note and call Service.
The Pixel Test moves the cursor to each character position on
both lines of the display. If any position is skipped, please
make a note and call Service.
Chapter 10. Using Diagnostics
10-17